linux/drivers/firmware/qcom_scm.h
jilai wang 9626b6993b firmware: qcom: scm: Add HDCP Support
HDCP driver needs to check if secure environment supports HDCP.  If it's
supported, then it requires to program some registers through SCM.
Add qcom_scm_hdcp_available and qcom_scm_hdcp_req to support these
requirements.

Signed-off-by: Jilai Wang <jilaiw@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
2015-05-28 10:47:45 -05:00

48 lines
1.6 KiB
C

/* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __QCOM_SCM_INT_H
#define __QCOM_SCM_INT_H
#define QCOM_SCM_SVC_BOOT 0x1
#define QCOM_SCM_BOOT_ADDR 0x1
#define QCOM_SCM_BOOT_ADDR_MC 0x11
#define QCOM_SCM_FLAG_HLOS 0x01
#define QCOM_SCM_FLAG_COLDBOOT_MC 0x02
#define QCOM_SCM_FLAG_WARMBOOT_MC 0x04
extern int __qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus);
extern int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
#define QCOM_SCM_CMD_TERMINATE_PC 0x2
#define QCOM_SCM_FLUSH_FLAG_MASK 0x3
#define QCOM_SCM_CMD_CORE_HOTPLUGGED 0x10
extern void __qcom_scm_cpu_power_down(u32 flags);
#define QCOM_SCM_SVC_INFO 0x6
#define QCOM_IS_CALL_AVAIL_CMD 0x1
extern int __qcom_scm_is_call_available(u32 svc_id, u32 cmd_id);
#define QCOM_SCM_SVC_HDCP 0x11
#define QCOM_SCM_CMD_HDCP 0x01
extern int __qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
u32 *resp);
/* common error codes */
#define QCOM_SCM_ENOMEM -5
#define QCOM_SCM_EOPNOTSUPP -4
#define QCOM_SCM_EINVAL_ADDR -3
#define QCOM_SCM_EINVAL_ARG -2
#define QCOM_SCM_ERROR -1
#define QCOM_SCM_INTERRUPTED 1
#endif